Moved all the content of the DDK files ntdef.h and ntddk.h to
winternl.h.

loader/module.c

diff --git a/loader/module.c b/loader/module.c
index 854802c..41119f5 100644
--- a/loader/module.c
+++ b/loader/module.c
@@ -32,6 +32,7 @@
 #endif
 #include "wine/winbase16.h"
 #include "winerror.h"
+#include "winternl.h"
 #include "heap.h"
 #include "file.h"
 #include "module.h"

loader/pe_resource.c

diff --git a/loader/pe_resource.c b/loader/pe_resource.c
index ed830de..a50ff04 100644
--- a/loader/pe_resource.c
+++ b/loader/pe_resource.c
@@ -32,7 +32,7 @@
 #include "wine/unicode.h"
 #include "windef.h"
 #include "winnls.h"
-#include "ntddk.h"
+#include "winternl.h"
 #include "winerror.h"
 #include "wine/debug.h"
 

loader/task.c

diff --git a/loader/task.c b/loader/task.c
index ab7884d..ce673e2 100644
--- a/loader/task.c
+++ b/loader/task.c
@@ -40,7 +40,7 @@
 #include "instance.h"
 #include "miscemu.h"
 #include "module.h"
-#include "ntddk.h"
+#include "winternl.h"
 #include "selectors.h"
 #include "wine/server.h"
 #include "syslevel.h"